The above code gets a credential that is valid for all VMstores in the configuration file. Then the command line specifies the user name, password, and two options, -UseSameUserName, and -UseSamePassword.

Parallel-Upgrade logs to a dated log file: YYYY-MM-dd-HH-mm-ss_parallel_upgrade.log. The Verbose option will produce extra verbiage to follow along in the process and assist in debugging problems. Unfortunately, you have to read the Parallel-Upgrade.psm1 module for help.